Single trigger mechanism for double barreled guns



Aug. 11, 1931. H. E. HOWLAND SINGLE TRIGGER MECHANISM FOR DOUBLEBARRELED GUNS Fileq June18. 1928 2 Sheets-Sheet 1 INVENTOR. Q 7M AORNEY.

Aug. 11, 1931. H. E. HOWLAND 1,818,352

SINGLE TRIGGER MECHANISM FOR DOUBLE BARRELED GUNS Filed, June 18, 1928 2Sheets-Sheet; 2

1 N VEN TOR.

ORNE Y.

Patented Aug. 11, 193 1 t UNITE "STATES HARRY E. HOWLAND, F I'II-IACA,NEW YORK, ASSIGNOR TO ITI- IAGA GUN COMPANY, OF I PATENT oFFIc ITHAGA,NEW YORK SINGLE TRIGGER MECHANISM FOR DOUBLE BARRELED' GUNS Applicationfiled June 18,

This invention has relation to single trigger fire mechanism for doublebarrel guns and has for its object the provision of certain novelconstructional features pertaining particularly to the trigger and themeans whereby the firing of one barrel of the gun automatically sets thebarrel selecting mechanism, so that the second action of firing willfire the other barrel.

The present invention has in view as an important consideration thesimplified construction and arrangement of its tripping mechanismassociated with the trigger, whereby the trip carrier may be more easilytaken out and replaced while the parts of the firingmechanism are beingrepeatedly assembled and disassembled in the manufacture of the gun.

The invention has in view further the novel construction and arrangementof certain features of the safety mechanism whereby the latter isrendered more sure and effective in its operation and preventing firing0f the gun at untimely periods, or accidentally.

The present invention comprises'further and incidental features, thenature and purpose of which'will be made apparent in the detaileddescription to be hereafter glven.

In the accompanying drawings which illustrate a preferred embodiment ofthe invention constituting thesubject matter of this application. 7 I

Figures 1 and2 are elevations taken from opposite sides of the breechcasing of a gun, showing parts broken away or omitted to betterillustrate the interior mechanism;

Figure 3 is a side elevation, on an 'enlarged scale illustratingessential features of the trigger, trip and safety mechanism;

illustrated in Figure 3;

Figures '5, 6, and 7 are fragmentary transverse sectional views of thetripping devices set to different positions respectively.

As will be clearly understood the type of double barrel gun to which theinvention relates is that .in which the barrels are breech loading andare opened at their loading ends by breaking them from the stock.

1928. Serial No. 286,398.

The drawings represent so much of the mechanism of this character of gunas isin the form of a plate 16, the forward end of which is providedwith two upstandng ears 16, which are pivotally mounted in a recess 17formed in an upstanding block 18 mounted on the lower tangQO and carrymgthe horizontal pivotal pin 19 upon which the trigger rocks.

The trigger plate 16 includes a tail port1on 19 which projects upwardlyand rear wardly above the tang 20 beyond the edge of the trigger openingand has projecting from one side a pin 21, constituting part of thesafety mechanism of the gun.

The numeral 23 designates the usual ham mer and sears 24, the pivotedsears co-acting therewith. There sears have the usual forward ends 24urged upwardly by springs 25 for engagement with shoulders on the hammerto maintain the latter-in a cooked position. The sears 24 extendrearwardly inverted T-shaped comprising a horizontally, andlongitudinally pivoted block, oomprising the upstanding finger or stud26 and the laterally extending arms 27 which latter overlap the edges ofthe trigger open ing through the lower tang 20. Figure 4 1s a plan viewof the devices It has been'customary heretofore, in guns of the typeunder consideration to form the p,

trigger plate 16 with acove or recess withever, the trip is not directlypivoted to the trig r, but is eat d n a tra W or recess formed inaseparate horizontally extending bar 31, which, at its forward end ismounted on the pin 19, of the recessed In its normal or inoperableposition the p s endswith its l tera ly. p pj c ng ears.

To opera e 27 resting on the lower tang 21. in theselective firing ofthe barrels, the upstanding part of the tripis thrown to;

' the position for tripping one or the other of the sears by thefollowing describedmech anism.

, .Arra-nged' real wardly. o fthe tail ioffthe trigger is a vertical.plate 32', supported on the lower tang 2O andprovided with aprojectingarm 34 on which is pivoted a lever 85. The uppergend of this leverengages spring 36 which r ests on a pin projecting laterally from theelongated and fiattenedw stem 38 of the safety slide or: buttom 39 andhas its freeendformedwith a tooth orprojecti'on39" which engagewithnotches I 39 in the unders de of the tang 23, and

controlled by a spring 52, one end of which:

I coact ,witlithe's prin g to indicate right, left or safety positions.-The spring fi, has an upturned lip at its forwardend, slotted for thepassage of, a tenon el en the rear endof a har42, thezclatterjbeingconnected the gun is' brolzen for. loading; purposes, the spring 36]' w1ll be moved rearwardly by the rearward longitudinal 'niovement oftheplate flZ, and will operate the l e'ver 3 5 and throw its lower endacr oss the pin 21 projecting from the tail of the tri gger thus lockingthetrigger against firing operation of pulling closing the barrels to afiri ng position Be foreunlocking canvbe efiected, thesafety position. 1V I:

Pivoted to the tail of the trigger is a cam havinga'forward faceterminating at its lower end in a forwardly progectlngi shoulder 6L6.The rear portion of'the upper surface of'the cam indicated at l'fprovldes a stop surface,'having its forwardl edge of slightly lessdi stancespaced fronrthe pivot point of the cam, than its rear edge."

The cam operates against the pro jecting from theinner sidejof the plateThe upper; edge of the suppOrtingTplate'SQ is proyided with anangul'arly extending flange 3 2, the forward edgeff' of which is spacedfrom the pin l9 a distance slightly greater than the distance betweenthe front and rear faces of the cam, so that the upper portionof the cammay operate between the two surfaces.

The lower rear edge of the cain is pro- 'VlClClWltil a stud 5O whichisconnected to the flange 32 by a spring 51 which'normally urges the camupwardly and the upper edge forwardly so that the cam. will h ineontactwiththe stop pin l9.

The function of this cam and spring 1s to normally maintain the rear endof the trigger in an elevatedrpositionso thatthe pin .21

is norinallyinaintained at a position above thelower end of the lever 35when in a neutral position, so that this lever when moving to neutralposition inust'depressthe trigger. hen the trigger is in the neutralposition, and depressed the upper end of the trip'is spaced below theundersurfaces of the overhang ng portions of the sears. f

Then released'from neutral position, the

spring 51 elevates the rear end of the ..triggei' and brings the trip ncontact with" '5 s the sears.

s The, selective inovements ofthe; trip are.

is fixedly attachedjto theplate132, and the 7 other end secured to theupper part of the I ,trip it. is to be 'u'nde'rstood that the main'object and function of the cam 45 is camf frearwardly and under theprojection 325011 tliejsupporting plate 32 which blocks the trigger for'an instant'be fore the trigger Assuming the gun to have been loaded,

Cockd and Placed-in afe P s t e trip will be centrally located below thesea-rs'as,

shown in lfig. 5, The spring 52 is of such l V I t construction that'ittends" to swing the upbutton must be moved forwardto disengage thelever35 from the pin21. This moveme nt restores the plate 42 to its normalstandinglink 26 of the trip beneath one of ;the sears, inthe presentinstance beneath the left hand soar to the position shown in 4 Fig. 6,but suchmovement is preventedi by spring 52. will throw the trip to theposition shown in Fig. 6, which will cause to ele- .to' prevent doublingor premature firing of the secondbarrel after discharge of the first.when the first barrel is fired andthe trigger drops dow11,',the ,recoilfor'ces the top, of the 1 vategthe left hand memberlo f thesear and,thu's' ensurethe firing 10f the are h rd barr'lf If however thesecondor righthan'd bar-'- reljis to be firechthe'fsafety button 39 willbe moved to its second position, causing the lever 35 to press the'spring52 sidew i se and throwingthe trip to the r ight, in whichposition it will, when the trigger is operated,

ensure the selective firing of the right hand barrel. To provide for themovement of spring 52 the forward edge of the plate 32 may be notched asindicated by the nu meral 53.

As before described, the present invention comprises the element 31,which is pivotally mounted on the pin '19 upon which the trigger is alsomounted. The element 31 has therefore a small amount of motionindependently of the trigger and is more sensitive in its actions.

In order to readily displace the trigger and the element 31, it is onlynecessary to take out the pin 19, to allow of the removal of the triggerand associated device.

This facility of disassembling and reassembling the parts is veryadvantageous in view of the necessity of frequently removing andreplacing the parts in the manufacture of the gun, and in view of thedesirability of having easily accessible and removable parts whereinterior changes or adjustments are required to meet the requirements ordesires of the users.

What I claim as new is v In a single trigger mechanism for double barrelguns, the combination with a trigger operating through the usual triggeropening, a stationary block to which said trigger is pivoted, a barhaving a width topass through said opening and being pivotally andindependently mounted on the trigger pivot, said bar being formed with atransverse recess, a trip pivoted to said bar within said recess andhaving a lateral'length tobridge the trigger opening, means forselectively adjusting said trip, a pair of sears operatively connectedto the firing mechanism, and means for selectively effecting theoperation of the sears through the pulling of the trigger.

In testimony whereof I aflix my signature.

HARRY E. HOWLAND.

